Outlook down LIVE: Login and emails for iPhone 'not working' for Microsoft users

Outlook is reportedly down for Microsoft users.

Outlook login not working? What caused Microsoft Outlook outage today — and was it Hacked?

Is Outlook Down Right Now? Outlook login not working? What caused the Microsoft Outlook outage today — and was it hacked?

Is Outlook down due to a security breach? Microsoft Outlook outage leaves users locked out as Microsoft investigates authentication glitch

Is outlook down? More than 800 users reported the Outlook down issue within hours on April 27, 2026. Login failures surged.
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Cannot add Gmail to Outlook: This browser or app may not be secure

Are you receiving—Couldn’t sign you in. This browser or app may not be secure. Try using a different browser. If you’re already using a supported browser, you can try again to sign in—when trying to ...